发明名称 Visual acuity testing apparatus
摘要 A visual acuity testing apparatus includes a target presenting unit for displaying various targets to be presented to a subject's eye, an optical element arranging device for retaining various optical elements, and selectively arranging the optical element corresponding to a response from the subject between the subject's eye and the target presenting unit, an operation section which is operated for selecting each of targets and each of the optical elements, a display section for displaying an operation image illustrating an operation content of the operation section, a memory for storing a plurality of target data illustrating each of the targets and operation image data illustrating the operation image, an arithmetic control section for extracting the target data and the operation image data from the memory according to an operation of the operation section, and an image output section having at least two output ports.
申请公布号 US2008158509(A1) 申请公布日期 2008.07.03
申请号 US20070984959 申请日期 2007.11.26
申请人 KUBOTA ATSUSHI;SAKURADA TOMOHIRO 发明人 KUBOTA ATSUSHI;SAKURADA TOMOHIRO
分类号 A61B3/02 主分类号 A61B3/02
代理机构 代理人
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